Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11224957Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
TF below 2^85 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 20013932400
ECM
DigitsB1Curves
2550000280 / 280
30250000286 / 640
Estimated T-Level: 27.2 ⓘ
LL
StatusDateUserResidueShift
Verified2000-12-14Dennis Kluk0644B889B96870C27145728
Verified2004-04-29Marc Getty / Phil Fizur0644B889B96870C24906593
History
DateUserTypeResult
2025-02-06James HeinrichNF
no factor from 2^72 to 2^73
2024-07-26vshNF
no factor from 2^72 to 2^73
2024-05-13vshNF-PM1
B1=10000000, B2=20013932400
2024-04-23vshNF-PM1
B1=7126984, B2=9264393600
2024-03-29vshNF-PM1
B1=3563492, B2=4549683600
2024-03-28vshNF-PM1
B1=1781746, B2=1488065040
2021-10-30SRBaseNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2015-12-28VictordeHollanderNF
no factor from 2^66 to 2^67
2015-03-14NumberwangNF
no factor from 2^65 to 2^66
2013-11-23lycornNF
no factor from 2^64 to 2^65